<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			#test{
				width: 600px;
				height: 200px;
				border: 1px solid;
				margin: 0 auto;
				/*background-image:linear-gradient(90deg,red 100px,yellow 110px) ;*/
				background-image:repeating-linear-gradient(90deg,rgba(0,0,0,0),rgba(0,0,0,1) 300px) ;
			}
		</style>
	</head>
	<body>
		<div id="test">
			
		</div>
	</body>
</html>
